Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
812
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
40.8.5 USART
Interrupt Enable Register
Name:
US_IER
Addresses:
0xF801C008 (0), 0xF8020008 (1), 0xF8024008 (2), 0xF8028008 (3)
Access:
Write-only
For SPI specific configuration, see
The following configuration values are valid for all listed bit names of this register:
0: No effect.
1: Enables the corresponding interrupt.
• RXRDY: RXRDY Interrupt Enable
• TXRDY: TXRDY Interrupt Enable
• RXBRK: Receiver Break Interrupt Enable
• OVRE: Overrun Error Interrupt Enable
• FRAME: Framing Error Interrupt Enable
• PARE: Parity Error Interrupt Enable
• TIMEOUT: Time-out Interrupt Enable
• TXEMPTY: TXEMPTY Interrupt Enable
• ITER: Max number of Repetitions Reached Interrupt Enable
• NACK: Non Acknowledge Interrupt Enable
• CTSIC: Clear to Send Input Change Interrupt Enable
• MANE: Manchester Error Interrupt Enable
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
MANE
23
22
21
20
19
18
17
16
–
–
–
–
CTSIC
–
–
–
15
14
13
12
11
10
9
8
–
–
NACK
–
–
ITER
TXEMPTY
TIMEOUT
7
6
5
4
3
2
1
0
PARE
FRAME
OVRE
–
–
RXBRK
TXRDY
RXRDY